[INFO] fetching crate librarium 0.4.0...
[INFO] checking librarium-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate librarium 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate librarium 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate librarium 0.4.0
[INFO] tweaked toml for crates.io crate librarium 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate librarium 0.4.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate librarium 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 268eae4de90cc966088c70d5e2d3a0f450dd511366ca8d122d0483d413c16d2d
[INFO] running `Command { std: "docker" "start" "-a" "268eae4de90cc966088c70d5e2d3a0f450dd511366ca8d122d0483d413c16d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "268eae4de90cc966088c70d5e2d3a0f450dd511366ca8d122d0483d413c16d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "268eae4de90cc966088c70d5e2d3a0f450dd511366ca8d122d0483d413c16d2d", kill_on_drop: false }`
[INFO] [stdout] 268eae4de90cc966088c70d5e2d3a0f450dd511366ca8d122d0483d413c16d2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1320d0db8b354d557465f52b7b7e8a006ecd60c53a775b5416644dbc92449b65
[INFO] running `Command { std: "docker" "start" "-a" "1320d0db8b354d557465f52b7b7e8a006ecd60c53a775b5416644dbc92449b65", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling cc v1.1.21
[INFO] [stderr]     Checking rustls-pki-types v1.8.0
[INFO] [stderr]    Compiling rustls v0.23.13
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking fastrand v2.1.1
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]     Checking no_std_io2 v0.9.0
[INFO] [stderr]     Checking tokio v1.41.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking webpki-roots v0.26.6
[INFO] [stderr]     Checking env_filter v0.1.2
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking cpufeatures v0.2.14
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking env_logger v0.11.5
[INFO] [stderr]     Checking flate2 v1.0.34
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking backon v1.2.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking tempfile v3.12.0
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]     Checking rustls-webpki v0.102.8
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling test-log-macros v0.2.16
[INFO] [stderr]     Checking test-log v0.2.16
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling deku_derive v0.19.0
[INFO] [stderr]     Checking ureq v2.10.1
[INFO] [stderr]     Checking deku v0.19.0
[INFO] [stderr]     Checking test-assets-ureq v0.3.0
[INFO] [stderr]     Checking librarium v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]    --> src/lib.rs:446:10
[INFO] [stdout]     |
[INFO] [stdout] 446 | #[derive(DekuRead)]
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/lib.rs:446:10
[INFO] [stdout]     |
[INFO] [stdout] 446 | #[derive(DekuRead)]
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `DekuRead` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]    --> src/lib.rs:446:10
[INFO] [stdout]     |
[INFO] [stdout] 446 | #[derive(DekuRead)]
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/lib.rs:446:10
[INFO] [stdout]     |
[INFO] [stdout] 446 | #[derive(DekuRead)]
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `DekuRead` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]  --> src/newc.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(DekuWrite, DekuRead, Debug)]
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]  --> src/newc.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(DekuWrite, DekuRead, Debug)]
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `DekuRead` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]  --> src/newc.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(DekuWrite, DekuRead, Debug)]
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]  --> src/newc.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(DekuWrite, DekuRead, Debug)]
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `DekuRead` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `librarium` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `librarium` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "1320d0db8b354d557465f52b7b7e8a006ecd60c53a775b5416644dbc92449b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1320d0db8b354d557465f52b7b7e8a006ecd60c53a775b5416644dbc92449b65", kill_on_drop: false }`
[INFO] [stdout] 1320d0db8b354d557465f52b7b7e8a006ecd60c53a775b5416644dbc92449b65
